Did you know that in 2018, 174 million American hopped on Black Friday and Cyber Monday (BF & CM)? Suppoe you want to etimate how much thee people pent on average on BF & CM ale. You elect a random ample of 200 hopper and calculate that on average thee people pent $335 per peron. Suppoe ample tandard deviation of pending on BF & CM i known to be $70